diff --git a/testsuite/cmp/cmp-detects-difference b/testsuite/cmp/cmp-detects-difference
index b5544f9..aa07444 100644
--- a/testsuite/cmp/cmp-detects-difference
+++ b/testsuite/cmp/cmp-detects-difference
@@ -1,7 +1,3 @@
 echo foo >foo
 echo bar >bar
-if busybox cmp -s foo bar; then
-	return 1
-else
-	return 0
-fi
+! busybox cmp -s foo bar